Home / 5,329.80-7,990.38-2,406.24

Finding the Fourth Proportional to 5,329.80, 7,990.38 and 2,406.24

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Solution

The fourth proportional to 5,329.80, 7,990.38 and 2,406.24 is: 3,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.80 : 7,990.38 = 2,406.24 : x
  2. Step 2: Convert to fraction form
    5,329.80/7,990.38 = 2,406.24/x
  3. Step 3: Cross multiply
    5,329.80x = 7,990.38 × 2,406.24
  4. Step 4: Simplify right side
    5,329.80x = 19,226,771.97
  5. Step 5: Solve for x
    x = 19,226,771.97/5,329.80
  6. Step 6: Final answer
    x = 3,607.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.